David Weisberg, founder of Affiliated Distributors, died peacefully at his home in Philadelphia on Nov. 22. Weisberg was 89.

Weisberg began his career in distribution as a sales rep for Graybar Electric and later joined Progress Lighting, where he rose in the company to become president. He founded AD in 1981 with 48 electrical distributors, serving as its chairman and CEO until his retirement in 1991.

“My father was an incredibly creative and warm hearted person. He had a deep-seated drive and a passion to bring value to others," said Bill Weisberg, AD’s current chairman & CEO. "In addition to being a successful businessperson he was a talented artist and a devoted husband. He was a great inspiration to me, and his life will have lasting impact on the lives and businesses of many others.”